Qualitative, Quantitative (PowerPoint)

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Qualitative QuantitativeData/Information

Qualitynounhaving to do with a characteristic, feature or aspectthat stands out.Quantitynounhaving to do with number and measurement that can be specified or indefinite.Qualitativeadjectiverelating to a characteristic, feature or aspect that stands out.Quantitativeadjectiverelating to numbers and measurement that can be specified or indefinite.Adjective: A describing word. A word naming the attributes of a noun.Noun: A word that identifies places, persons or things.

Qualitative QuantitativeData/Information

Qualitative: Descriptive information (data), which often comes from interviews, focus groups or artistic depictions such as photographs.

Quantitative: Numerical or statistical information (data), which often comes from surveys, surveillance or from administration records.Data: Data is unorganized information.Information: Information is organized data.

Qualitative QuantitativeEvidence

Qualitative Evidence: provides richer, deeper and broader information based on a few individuals or case examples. This type of evidence is valuable for describing: How? andWhy?

Quantitative Evidence: provides a good overall picture of a population or geographical region. It can also often be used to measure trends over time. This type of evidence is valuable for describing:Who?What?Where? andWhen?

Qualitative QuantitativeResearch

Qualitative(subjective)involvesDataSummarySubjective conclusionsInterviewsFocus groupsObservations Quantitative(objective)involvesInformationStatistical AnalysisObjective conclusionsSurveysExperimentsObjective: Speaking to or about the data/information with NO PERSONAL perspective or point of view.Subjective: Speaking to or about the data/information with a PERSONAL perspective or point of view.

Qualitative QuantitativeQualitative example

Qualitative: Colours and shapes provide information about the ice cream treats sold by this truck.

Qualitative data like this provides descriptive information that cannot be communicated with numbers.

Photograph by Varun Gupta

Qualitative QuantitativeQualitative example

Qualitative: Girls advertise a garage sale by promising low prices. Without providing a specific price, the information that prices are low is a piece of qualitative data.

The actual prices would be quantitative, or numeric, data.

Photograph by Charlene Banta, MyShot

Qualitative QuantitativeQuantitative example

Quantitative: Signs that display numeric information are communicating quantitative data. Quantitative data are any pieces of information that can be displayed using numbers. Populations, distances, prices, and other measurements are common forms of quantitative data.Photograph by Joe Enenbach, MyShot

Qualitative QuantitativeQuantitative example

Quantitative: A roadside sign advertises prices, a common form of quantitative data, for fruit in a rural area of New Zealand.

Rockmelon is another name for cantaloupe.

Photograph by Shelley Daber, MyShot

Qualitative QuantitativeDistinctions

A frequent flyer might make a QUALITATIVE OBSERVATION (personal perspective) that the Hartsfield-Jackson Atlanta International Airport, in the U.S. state of Georgia, is very busy. The QUANTITATIVE DATA about passenger traffic at Hartsfield-Jackson would prove that the airport is, in fact, the busiest in the world: In 2008, 90,039,280 passengers used Hartsfield-Jackson. In 2009, 88,032,086 passengers used Hartsfield-Jackson. In 2010, 89,331,622 passengers used Hartsfield-Jackson. In 2011, 92,389,023 passengers used Hartsfield-Jackson. In 2012, 94,956,643 passengers used Hartsfield-Jackson. In 2013, 94,430,785 passengers used Hartsfield-Jackson. In 2014, 96,178,899 passengers used Hartsfield-Jackson.

Qualitative QuantitativeDistinctions

An avid hot chocolate drinker may make a QUALTITATIVE statement by stating his personal opinion, that his hot chocolate is hotter than your hot chocolate. But that personal opinion is not as informative when the two hot chocolates are tested and QUANTITATIVE DATA is produced to state that:

His hot chocolate is 100 degrees Fahrenheit; therefore, it is 30 degrees hotter than yours, which is 70 degrees Fahrenheit.

Qualitative QuantitativeLimitations

Qualitative: Qualitative evidence is often gathered in small studies and based on the experiences of a very few individuals, which means that one of its limitations is that an entire population may not be well represented.

Quantitative: One of the limitations of quantitative evidence is that it is typically cleaned up or smoothed out. This is done to reduce the influence of outstanding cases, as well as to compare evidence to other places or populations. Unfortunately, this practice can result in unusual cases being hidden.

Webography & ResourcesNational Geographic: Qualitative DataNational Geographic: Quantitative DataDefine Quantitative and Qualitative EvidenceAssembled by: A. Ballas